Stop swimming against the tide and accept what most of the rest of
the world does.

While it adds an annoying depth to the actual source code, it makes
the root directory nicer (no more 'test-res' dirs), means we don't
have to override the gradle config, and makes it nicer to work in
IDEA 2016.1.

* Move all plugins to their own top-level directories.
* Move resources out of source trees
* Add Gradle build scripts.
* Remove ivy and ant build scripts.

Change-Id: Ib69a48ef26800c174ccf51c84ff9d1f73529460f
Depends-On: I303b6b69518468f98d48d835b8f40135d9e4bcbf
Reviewed-on: http://gerrit.dmdirc.com/3850
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Remove pointless super() calls.
Remove redundant interface decs.
Remove unnecessary enum annotations.
Change .length == 0 to .isEmpty.

Change-Id: Idadc982cc8f37aec4404ec8ec26d0a5b1f0515ad
Reviewed-on: http://gerrit.dmdirc.com/3842
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Greg Holmes <greg@dmdirc.com>

Change-Id: I4537bd9432958a22700c09c953d23090f5decacc
Reviewed-on: http://gerrit.dmdirc.com/3826
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>

Change-Id: I5a3bc9f0a7e3840f02e24cc9e2a919314b3df424
Fixes-Issue: CLIENT-438
Fixes-Issue: CLIENT-437
Reviewed-on: http://gerrit.dmdirc.com/3159
Reviewed-by: Chris Smith <chris@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I35bf8ce93d7be8fb714b1a58adc9dd66672ec717
Reviewed-on: http://gerrit.dmdirc.com/3124
Reviewed-by: Greg Holmes <greg@dmdirc.com>
Automatic-Compile: DMDirc Build Manager

Change-Id: I30ca8bc84a18cc67a9bcb3700a9b15307e389bc2
Reviewed-on: http://gerrit.dmdirc.com/3066
Automatic-Compile: DMDirc Build Manager
Reviewed-by: Chris Smith <chris@dmdirc.com>